71322462660 has 96 divisors (see below), whose sum is σ = 216607571712. Its totient is φ = 17463930880.

The previous prime is 71322462581. The next prime is 71322462661. The reversal of 71322462660 is 6626422317.

It is not an unprimeable number, because it can be changed into a prime (71322462661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810912 + ... + 894551.

It is an arithmetic number, because the mean of its divisors is an integer number (2256328872).

Almost surely, 2^71322462660 is an apocalyptic number.

It is an amenable number.

71322462660 is an abundant number, since it is smaller than the sum of its proper divisors (145285109052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71322462660 is a wasteful number, since it uses less digits than its factorization.

71322462660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705533 (or 1705531 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

Adding to 71322462660 its reverse (6626422317), we get a palindrome (77948884977).

The spelling of 71322462660 in words is "seventy-one billion, three hundred twenty-two million, four hundred sixty-two thousand, six hundred sixty".